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Single‐Molecule Spin Switch Based on Voltage‐Triggered Distortion of the Coordination Sphere

Gero D. Harzmann、Riccardo Frisenda、Herre S. J. van der Zant 等 4 位作者2015-10-01Angewandte Chemie International Edition

Here, we report on a new single-molecule-switching concept based on the coordination-sphere-dependent spin state of Fe(II) species. The perpendicular arrangement of two terpyridine (tpy) ligands within heteroleptic complexes is distorted by the applied electric field. Whereas one ligand fixes the complex in the juncti…

Advanced biosensing and bioanalysis techniquesMagnetism in coordination complexesMolecular Junctions and Nanostructures

Ultrahigh and Broad Spectral Photodetectivity of an Organic–Inorganic Hybrid Phototransistor for Flexible Electronics

You Seung Rim、Yang Yang、Yang Yang 等 9 位作者2015-10-01Advanced Materials

The creation of new organic-inorganic phototransistors with high and broad spectral photosensitivity is reported. The extended charge transport and photoconductivity between the layers in the bilayer structure results in a notable detectivity of over 10(12) Jones and a linear dynamic range of over 100 dB at a broad sp…

Organic Electronics and PhotovoltaicsThin-Film Transistor TechnologiesConducting polymers and applications

Large spin Hall magnetoresistance and its correlation to the spin-orbit torque in W/CoFeB/MgO structures

Soonha Cho、Seung‐heon Chris Baek、Kyeong‐Dong Lee 等 5 位作者2015-10-01Scientific Reports

The phenomena based on spin-orbit interaction in heavy metal/ferromagnet/oxide structures have been investigated extensively due to their applicability to the manipulation of the magnetization direction via the in-plane current. This implies the existence of an inverse effect, in which the conductivity in such structu…

Magnetic properties of thin filmsZnO doping and propertiesMagnetic Properties and Applications

Mg–Zr Cosubstituted Ta3N5 Photoanode for Lower-Onset-Potential Solar-Driven Photoelectrochemical Water Splitting

Jeongsuk Seo、Tsuyoshi Takata、Mamiko Nakabayashi 等 7 位作者2015-10-01Journal of the American Chemical Society

In p/n photoelectrochemical (PEC) cell systems, a low onset potential for the photoanode, as well as a high photocurrent, are critical for efficient water splitting. Here, we report a Mg-Zr cosubstituted Ta3N5 (Ta3N5:Mg+Zr) photoanode, designed to provide a more negative onset potential for PEC water splitting. The an…

Advanced Photocatalysis TechniquesCopper-based nanomaterials and applicationsNanomaterials for catalytic reactions

Phase‐Separation‐Induced Anomalous Stiffening, Toughening, and Self‐Healing of Polyacrylamide Gels

Koshiro Sato、Tasuku Nakajima、Toshiyuki Hisamatsu 等 6 位作者2015-10-01Advanced Materials

Novel, tough, strong, and self-healable poly-acrylamide (PAAm) gels are fabricated by inducing an appropriate phase-separation structure using a poor solvent. The phase separation induces a gel-glass-like transition of the PAAm gels, providing the gels an anomalously high modulus (211 MPa), fracture stress (7.13 MPa),…

Hydrogels: synthesis, properties, applicationsPolymer composites and self-healingAdvanced Materials and Mechanics

Investigation on microstructural, mechanical and electrochemical properties of aluminum composites reinforced with graphene nanoplatelets

Muhammad Rashad、Fusheng Pan、Zhengwen Yu 等 6 位作者2015-10-01Progress in Natural Science Materials International

In present study, the microstructure, mechanical and electrochemical properties of aluminum–graphene nanoplatelets (GNPs) composites were investigated before and after extrusion. The contents of graphene nanoplatelets (GNPs) were varied from 0.25 to 1.0 wt.% in aluminum matrix. The composites were fabricated thorough…

Aluminum Alloys Composites PropertiesBoron and Carbon Nanomaterials ResearchMXene and MAX Phase Materials

Additive-Modulated Evolution of HC(NH2)2PbI3 Black Polymorph for Mesoscopic Perovskite Solar Cells

Zaiwei Wang、Yuanyuan Zhou、Shuping Pang 等 10 位作者2015-10-01Chemistry of Materials

Formamidinium lead triiodide (HC(NH 2 ) 2 PbI 3 or FAPbI 3 ) is gaining increasing interest in the field of mesoscopic perovskite solar cells (PSCs) for its broader light absorption compared with the more widely studied CH 3 NH 3 PbI 3 (MAPbI 3 ). Because FAPbI 3 has two polymorphs (“black” α-FAPbI 3 and “yellow” δ-FA…

Perovskite Materials and ApplicationsOrganic and Molecular Conductors ResearchSolid-state spectroscopy and crystallography

Fano Resonant Aluminum Nanoclusters for Plasmonic Colorimetric Sensing

N. S. P. King、Lifei Liu、Xiao Yang 等 7 位作者2015-10-01ACS Nano

Aluminum is an abundant and high-quality material for plasmonics with potential for large-area, low-cost photonic technologies. Here we examine aluminum nanoclusters with plasmonic Fano resonances that can be tuned from the near-UV into the visible region of the spectrum. These nanoclusters can be designed with specif…

Gold and Silver Nanoparticles Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniquesPlasmonic and Surface Plasmon Research

Three-dimensional matrix fiber alignment modulates cell migration and MT1-MMP utility by spatially and temporally directing protrusions

Stephanie I. Fraley、Pei-Hsun Wu、Lijuan He 等 7 位作者2015-10-01Scientific Reports

Multiple attributes of the three-dimensional (3D) extracellular matrix (ECM) have been independently implicated as regulators of cell motility, including pore size, crosslink density, structural organization, and stiffness. However, these parameters cannot be independently varied within a complex 3D ECM protein networ…

Cellular Mechanics and Interactions3D Printing in Biomedical ResearchCollagen: Extraction and Characterization

Reduced graphene oxide–silver nanoparticle nanocomposite: a potential anticancer nanotherapy

Sangiliyandi Gurunathan、Jae Woong Han、Jung‐Hyun Park 等 7 位作者2015-10-01International Journal of Nanomedicine

BACKGROUND: Graphene and graphene-based nanocomposites are used in various research areas including sensing, energy storage, and catalysis. The mechanical, thermal, electrical, and biological properties render graphene-based nanocomposites of metallic nanoparticles useful for several biomedical applications. Epithelia…

Nanoparticles: synthesis and applicationsAdvanced Nanomaterials in CatalysisGraphene and Nanomaterials Applications

Enantiomeric switching of chiral metamaterial for terahertz polarization modulation employing vertically deformable MEMS spirals

Tetsuo Kan、Akihiro Isozaki、Natsuki Kanda 等 9 位作者2015-10-01Nature Communications

Active modulation of the polarization states of terahertz light is indispensable for polarization-sensitive spectroscopy, having important applications such as non-contact Hall measurements, vibrational circular dichroism measurements and anisotropy imaging. In the terahertz region, the lack of a polarization modulato…

Metamaterials and Metasurfaces ApplicationsOrbital Angular Momentum in OpticsTerahertz technology and applications

Exosomes and Other Extracellular Vesicles: The New Communicators in Parasite Infections

Gillian Coakley、Rick M. Maizels、Amy H. Buck2015-10-01Trends in Parasitology

Extracellular vesicles (EVs) have emerged as a ubiquitous mechanism for transferring information between cells and organisms across all three kingdoms of life. In addition to their roles in normal physiology, vesicles also transport molecules from pathogens to hosts and can spread antigens as well as infectious agents…

Extracellular vesicles in diseaseParasitic infections in humans and animalsMXene and MAX Phase Materials

An updated calibration of the plagioclase-liquid hygrometer-thermometer applicable to basalts through rhyolites

Laura Waters、R. A. Lange2015-10-01American Mineralogist

An updated and expanded data set that consists of 214 plagioclase-liquid equilibrium pairs from 40 experimental studies in the literature is used to recalibrate the thermodynamic model for the plagioclase- liquid hygrometer of Lange et al. (2009); the updated model is applicable to metaluminous and alkaline magmas. Th…

Geological and Geochemical AnalysisHigh-pressure geophysics and materialsClay minerals and soil interactions

Graphitic Carbon Nitride Polymers toward Sustainable Photoredox Catalysis

Yun Zheng、Lihua Lin、Bo Wang 等 4 位作者2015-10-01Angewandte Chemie International Edition

As a promising two-dimensional conjugated polymer, graphitic carbon nitride (g-C3 N4 ) has been utilized as a low-cost, robust, metal-free, and visible-light-active photocatalyst in the field of solar energy conversion. This Review mainly describes the latest advances in g-C3 N4 photocatalysts for water splitting. The…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesAdvanced Nanomaterials in Catalysis

ChemInform Abstract: Pb17O8Cl18: A Promising IR Nonlinear Optical Material with Large Laser Damage Threshold Synthesized in an Open System.

Hui Zhang、Min Zhang、Shilie Pan 等 9 位作者2015-10-01ChemInform

Abstract High‐quality single crystals of Pb17O8Cl18 with sizes of up to 7 mm x 2 mm x 2 mm are grown from a stoichiometric melt of PbO and PbCl2 (430 °C, 48 h) by a modified crystallization method in an open system.

Luminescence Properties of Advanced MaterialsGlass properties and applicationsCrystal Structures and Properties

Ab Initio Study of the Dynamical Si–O Bond Breaking Event in α-Quartz

Rui Su、Hong Zhang、Wei Han 等 4 位作者2015-10-01Chinese Physics Letters

The Si–O bond breaking event in the α-quartz at the first triplet (T 1 ) excitation state is studied by using ab initio molecular dynamics (AIMD) and nudged elastic band calculations. A meta-stable non-bridging oxygen hole center and E′ center (NBOHC-E′) is observed in the AIMD which consists of a broken Si–O bond wit…

Advanced ceramic materials synthesisGlass properties and applicationsGa2O3 and related materials

Preparation and Electrical Properties of Ba<sub>0.85</sub>Sr<sub>0.15</sub>Ti<sub>0.90</sub>Zr<sub>0.10</sub>O<sub>3</sub> Ceramics Doped Sn by Seed-Induced Method

Krit Sutjarittangtham、Sukum Eitssayeam、Uraiwan Intatha 等 4 位作者2015-10-01Applied Mechanics and Materials

Ba 0.85 Sr 0.15 Ti 0.90 Zr 0.10 O 3 (BSZT) ceramics doped Sn was prepared by seed-induced method. The seed was prepared by molten salt method, NaCl-KCl (1:1 by mole) eutectic mixtures was used as the flux. The BSZT added seed with doped SnO were calcined at 1250 °C for 3 hrs and sintered at 1400 °C for 2 hrs, respecti…

Ferroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisDielectric properties of ceramics

Enhanced dielectric and piezoelectric properties of Bi5Ti3FeO15 ceramics by manganese doping

Qian Wang、Yan Liang、Chun‐Ming Wang 等 5 位作者2015-10-01OpenAlex

Lightly manganese-modified, Aurivillius-type, Bi5Ti3FeO15(BTF) ceramics were synthesized by substituting a small amount of manganese ions onto the Ti4+sites using conventional solid-state reaction. The resultant manganese-modified BTF ceramics (BTF-Mn) exhibit better dielectric and piezoelectric properties by comparis…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAcoustic Wave Resonator Technologies

An atomistic scale analysis of ferroelectric nanodomain interfaces

Florian Endres、Paul Steinmann2015-10-01PAMM

Abstract We discuss numerical results of nanodomain interfaces using a new extended molecular statics algorithm for ferroelectric materials. The new algorithm is able to not only calculate the change of the polarization behavior caused by strain but also the influence on the polarization behavior due to mechanical str…

Ferroelectric and Piezoelectric MaterialsPolymer Surface Interaction StudiesAcoustic Wave Resonator Technologies